package cn.wolfcode.service.impl;
import cn.wolfcode.domain.Role;
import cn.wolfcode.mapper.RoleMapper;
import cn.wolfcode.qo.QueryObject;
import cn.wolfcode.service.IRoleService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Collections;
import java.util.List;
@Service
public class RoleServiceImpl implements IRoleService {
    @Autowired
    private RoleMapper roleMapper;
    @Override
    public void delete(Long id) {
        roleMapper.deleteByPrimaryKey(id);
    }
    @Override
    public void save(Role role,Long[] ids) {
        roleMapper.insert(role);
        //插入关系
        if (ids!=null && ids.length>0){
            for (Long permissionId :ids){
                roleMapper.insertRelation(role.getId(),permissionId);
            }
        }
    }
    @Override
    public Role get(Long id) {
        return roleMapper.selectByPrimaryKey(id);
    }
    @Override
    public List<Role> listAll() {
        return roleMapper.selectAll();
    }
    @Override
    public void update(Role role,Long[] ids) {
        roleMapper.updateByPrimaryKey(role);
        //删除关系
        roleMapper.deleteRelation(role.getId());
        if (ids!=null && ids.length>0){
            for (Long permissionId :ids){
                roleMapper.insertRelation(role.getId(),permissionId);
            }
        }
    }
    @Override
    public PageInfo<Role> query(QueryObject qo) {
        /*int count = roleMapper.selectForCount(qo);
        if (count == 0){
            return new PageResult<>(qo.getCurrentPage(),qo.getPageSize(), Collections.emptyList(),count);
        }
        //获取总页数
        int totalPage = count % qo.getPageSize() == 0 ? count / qo.getPageSize() : count / qo.getPageSize() + 1;
        if (qo.getCurrentPage()>totalPage){
            qo.setCurrentPage(totalPage);
        }*/
        PageHelper.startPage(qo.getCurrentPage(),qo.getPageSize());
        List<Role> roles = roleMapper.selectForList(qo);
        return new PageInfo<>(roles);
    }
}